- Developed new features and improvements for Kash App, compatible with Android and iOS, currently available throughout Central America.- Performed code review, support development and bug fixing tasks.

- I designed and integrated a new functionality based on visual search, where the user through the camera of his device can check the availability of a product in the more than 5,600 Ace Hardware stores in 50 states of the United States.- Improved the performance of the mobile application in both iOS and Android, reducing the app startup time from Cold Start and authentication times by 30%, increasing engagement and revenue.- Provided development support and bug fixing

- Designed and integrated app variants for different clients, where with the same code we supported several apps for the stores.- Lead the design and integration for a custom real-time CMS for internal clients- Optimized memory space for iOS and Android by 20%.- Led the migration from Javascript to Typescript for the whole app.- Designed and implemented a UI/UX optimization for our users with visual and motor disabilities and low-end mobile devices.

- I designed, developed and implemented a survey module for graduates for the Universidad Militar de Nueva Granada. - Implemented a diabetes prediction module for IPS and EPS in Colombia. Based on an AI model and trained with own data.- Designed DatBig's brand identity, merch and web.- Managed DatBig's cloud services in AWS, designing architecture and security layers.